cluster of porepore cluster孔隙: small opening; hole; pore; a ...簇: crowd together; form a clust ...孔隙: small opening; hole; [冶金学] pore; aperture gap; pore space; ventage; void孔隙比;孔隙率: void ratio孔隙度, 孔隙率: amount of porosity下载手机词典可随时随地查词查翻译